// MIT License

// Copyright (c) 2019 Erin Catto

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#include "test.h"

class ShapeEditing : public Test
{
public:

  ShapeEditing()
  {
    {
      b2BodyDef bd;
      b2Body* ground = m_world->CreateBody(&bd);

      b2EdgeShape shape;
      shape.SetTwoSided(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f));
      ground->CreateFixture(&shape, 0.0f);
    }

    b2BodyDef bd;
    bd.type = b2_dynamicBody;
    bd.position.Set(0.0f, 10.0f);
    m_body = m_world->CreateBody(&bd);

    b2PolygonShape shape;
    shape.SetAsBox(4.0f, 4.0f, b2Vec2(0.0f, 0.0f), 0.0f);
    m_fixture1 = m_body->CreateFixture(&shape, 10.0f);

    m_fixture2 = NULL;

    m_sensor = false;
  }

  void Keyboard(int key) override
  {
    switch (key)
    {
    case GLFW_KEY_C:
      if (m_fixture2 == NULL)
      {
        b2CircleShape shape;
        shape.m_radius = 3.0f;
        shape.m_p.Set(0.5f, -4.0f);
        m_fixture2 = m_body->CreateFixture(&shape, 10.0f);
        m_body->SetAwake(true);
      }
      break;

    case GLFW_KEY_D:
      if (m_fixture2 != NULL)
      {
        m_body->DestroyFixture(m_fixture2);
        m_fixture2 = NULL;
        m_body->SetAwake(true);
      }
      break;

    case GLFW_KEY_S:
      if (m_fixture2 != NULL)
      {
        m_sensor = !m_sensor;
        m_fixture2->SetSensor(m_sensor);
      }
      break;
    }
  }

  void Step(Settings& settings) override
  {
    Test::Step(settings);
    g_debugDraw.DrawString(5, m_textLine, "Press: (c) create a shape, (d) destroy a shape.");
    m_textLine += m_textIncrement;
    g_debugDraw.DrawString(5, m_textLine, "sensor = %d", m_sensor);
    m_textLine += m_textIncrement;
  }

  static Test* Create()
  {
    return new ShapeEditing;
  }

  b2Body* m_body;
  b2Fixture* m_fixture1;
  b2Fixture* m_fixture2;
  bool m_sensor;
};

static int testIndex = RegisterTest("Examples", "Shape Editing", ShapeEditing::Create);
